SB2025050553 - Improper authentication in HashiCorp Vault and Vault Enterprise



SB2025050553 - Improper authentication in HashiCorp Vault and Vault Enterprise

Published: May 5, 2025

Security Bulletin ID SB2025050553
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Improper authentication (CVE-ID: CVE-2025-3879)

CWE-ID: CWE-287 - Improper Authentication

CVSSv4: CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a remote user to bypass authentication process.

The vulnerability exists due to an error in Azure Auth method that does not correctly validate the claims in the Azure-issued token. A remote user can bypass of the bound_locations parameter during login.


Remediation

Install update from vendor's website.